Certificate of Medical Necessity — hospital bed
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This document is a Certificate of Medical Necessity form used to document clinical indications and supplier/physician information to support coverage of a hospital bed as durable medical equipment. It affects suppliers, ordering clinicians, and payers assessing medical necessity for hospital beds.
No material clinical or coverage changes in this revision.
Coverage Criteria
Medical necessity indications
Covered when at least one of the following medical necessity reasons is documented and expected to last at least one month (as indicated on the form):
from Section 2
from Section 2
from Section 2
from Section 2
from Section 2
from Section 2
The form does not list any explicit exclusions. There are no separate boxes, language, or checklist items that identify categories of patients or uses that are expressly excluded from coverage on this Certificate of Medical Necessity.
The form itself does not enumerate specific not‑medically‑necessary scenarios; however, a request may be unsupported when the medical necessity checklist contains no checked indication or when the form lacks documentation that conservative measures (for example, pillows or wedges) were considered and ruled out. Absence of any selected clinical reason in Section 2 or missing justification on the checklist can lead to a denial of coverage.
Medical Necessity Details
Hospital bed medical necessity
Hospital bed is medically necessary when documentation shows ANY of the following:
Section 2
Section 2
Section 2
Section 2
Section 2
Section 2
Coding
| ICD-10 | Diagnosis codes (ICD-10) — entered by clinician, separate with a comma |
Provider Actions & Documentation Requirements
Form required for authorization
Form required for authorization — A completed Certificate of Medical Necessity (CMN) is required for prior authorization. The CMN must include indications/medical necessity, diagnosis codes (ICD-10), estimated length of need (months or '99' for lifetime), supplier information, and patient demographics.
- Supplier & patient demographics (names, DOB, addresses, phone, ID numbers)
- Supplier name, NPI, address, phone
- Diagnosis codes (ICD-10) — separate with commas
- Initial and revised certification dates
- Estimated length of need (1-99 months; 99 = Lifetime)
Required form fields
Required form fields — Ensure all required fields on the CMN are completed. Missing or incomplete fields may delay authorization.
- Patient demographics (name, DOB, ID)
- Supplier demographics (name, NPI, address, phone)
- Diagnosis codes (ICD-10)
- Certification dates (initial and revised)
- Estimated length of need (months)
Conservative measures considered
Conservative measures considered — The CMN must document that conservative options were considered and ruled out. Specifically, pillows or wedges must be considered and documented as tried and ruled out when applicable.
- Checkbox confirming pillows or wedges have been considered and ruled out
- Documentation of trials of conservative measures and clinical rationale for escalation to the requested equipment
Signature and medical necessity completeness
Signature and medical necessity completeness — The physician’s attestation and original signature (no signature/date stamps) are required on the CMN. Incomplete medical necessity checklists or missing physician signature/date may result in denial of coverage.
- Physician attestation statement must be signed and dated by the physician identified on the form
- Electronic or stamped signatures are not acceptable — original signature required
- Complete all medical necessity checklist items; unanswered items may trigger denial
Documentation
Provide completed Certificate of Medical Necessity with physician signature and supplier details
Provide a fully completed Certificate of Medical Necessity with the physician’s handwritten signature and all supplier details (including supplier name and NPI), patient demographics, ICD-10 code(s), certification dates, estimated length of need, and the completed Section 2 checklist.
- Supplier name and NPI (Section 1B)
- Patient demographics (Section 1B)
- Diagnosis codes (ICD-10) — separate with commas
- Initial and revised certification dates
- Estimated length of need (1–99 months; 99 = Lifetime)
- Completed Section 2 medical necessity checklist
- Physician attestation with handwritten signature and date (Section 4)
Rental and Purchase Rules
| Rule | Form field / supporting evidence |
|---|---|
| Rental vs. Purchase determination | Estimated length of need (number of months) field on the Certificate of Medical Necessity — entry 1–99 where 99 = Lifetime |
| Rental appropriate when need is time‑limited | Documented estimated length of need < 99 months on the form (months specified in Section 1B) |
| Purchase may be considered when need is long‑term or lifetime | Estimated length of need = 99 (Lifetime) or sufficiently long duration documented on the form |
| Supplier and clinical documentation required | Completed Certificate of Medical Necessity including supplier details, ICD‑10 diagnosis codes, and medical necessity checklist to support rental/purchase decision (Section 1B fields) |
Replacement
Definitions
Background
Hospital beds are prescribed when patients need positioning or functions beyond those of an ordinary home bed. Section 2 captures clinical reasons such as positioning not feasible with an ordinary bed expected to last at least one month, alleviation of debilitating pain through special positioning, head‑of‑bed elevation >30 degrees for cardiopulmonary or aspiration risk, traction attachment that can only be used with a hospital bed, a different bed height to permit transfers, or a need for frequent or immediate changes in body position. These functions justify a hospital bed when ordinary household beds cannot meet the clinical needs documented on the form.
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